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Stem U-Packing Seals for 2 1/16-15000psi FC Gate Valve1
Sealing Gaskets, Stem Packing, U-Packing
Jiangsu Meivalve Machinery Co., Ltd.
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Product Description The packing material made of rubber is combined with the vulcanization of the shell made of PTFE, and the rubber is the main pressure bearing element.The interference of the inner and outer diameter ensures that the shell is close to the sealing contact surface, so as to realize the sealing principle.It is often used in medium pressure valves with good leakproof performance. As a low-cost valve stem seal is widely used in the petrochemical industry.TypeU rubber compound sealShellPTFE or Carbon fiberFillers MaterialNBR or HNBRPressure ≤110MPatemperature -50~+200oCMOQ50pcsApplicationoil and gas industriesFeatureexcellent effect, big surface of friction big torque
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